H+E will be at E-World energy & water 2025

From February 11 to 13, H+E will be at E-World energy & water 2025 in Essen – with a clear focus on Green Hydrogen!

From February 11 to 13, H+E will be at E-World energy & water 2025 in Essen – with a clear focus on Green Hydrogen!
Our experts, Sven Wyrth and Andreas, will be on site to discuss cutting-edge water treatment solutions for green hydrogen production.

From electrolyzer feedwater treatment to pure water loop optimization and sustainable water recycling – we deliver efficient and resource-saving solutions.
Stronger Together: H+E & Gradiant for the Hydrogen Industry!


As part of Gradiant, H+E integrates ProtiumSource into our water treatment systems for the hydrogen sector.
Recognized by Chemical Engineering Magazine as the industry’s first tailored, integrated solution, ProtiumSource sets new standards in water treatment for hydrogen production.

What makes ProtiumSource unique?

  • Three-phase integrated system designed specifically for green hydrogen
  • Seamless integration of feed water purification, pure water loop, polishing for electrolysis, and Zero-Liquid-Discharge (ZLD)
  • Optimized water use for sustainable scaling of hydrogen production

At H+E and Gradiant, we are stronger together – delivering state-of-the-art solutions to empower the clean energy transition.

Let’s meet in Essen to shape the future of Green Hydrogen!
Feel free to contact our experts, Sven Wyrth (sven.wyrth@he-water.com) and Andreas Augustin (andreas.augustin@he-water.com), in advance to schedule a meeting.